US10378632B2 - Torque converter with turbine clutch including a separate piston - Google Patents

Torque converter with turbine clutch including a separate piston Download PDF

Info

Publication number
US10378632B2
US10378632B2 US15/479,365 US201715479365A US10378632B2 US 10378632 B2 US10378632 B2 US 10378632B2 US 201715479365 A US201715479365 A US 201715479365A US 10378632 B2 US10378632 B2 US 10378632B2
Authority
US
United States
Prior art keywords
turbine
shell
piston
chamber
torque converter
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
US15/479,365
Other languages
English (en)
Other versions
US20180291990A1 (en
Inventor
Timothy Hess
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Schaeffler Technologies AG and Co KG
Original Assignee
Schaeffler Technologies AG and Co KG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Schaeffler Technologies AG and Co KG filed Critical Schaeffler Technologies AG and Co KG
Assigned to Schaeffler Technologies AG & Co. KG reassignment Schaeffler Technologies AG & Co. KG ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: Hess, Timothy
Priority to US15/479,365 priority Critical patent/US10378632B2/en
Priority to DE112018001915.2T priority patent/DE112018001915T5/de
Priority to JP2019541448A priority patent/JP6821042B2/ja
Priority to PCT/US2018/018816 priority patent/WO2018186939A1/en
Priority to KR1020197026653A priority patent/KR102462666B1/ko
Priority to CN201880022713.4A priority patent/CN110520650B/zh
Publication of US20180291990A1 publication Critical patent/US20180291990A1/en
Publication of US10378632B2 publication Critical patent/US10378632B2/en
Application granted granted Critical
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H45/00—Combinations of fluid gearings for conveying rotary motion with couplings or clutches
    • F16H45/02—Combinations of fluid gearings for conveying rotary motion with couplings or clutches with mechanical clutches for bridging a fluid gearing of the hydrokinetic type
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D25/00—Fluid-actuated clutches
    • F16D25/06—Fluid-actuated clutches in which the fluid actuates a piston incorporated in, i.e. rotating with the clutch
    • F16D25/062—Fluid-actuated clutches in which the fluid actuates a piston incorporated in, i.e. rotating with the clutch the clutch having friction surfaces
    • F16D25/063—Fluid-actuated clutches in which the fluid actuates a piston incorporated in, i.e. rotating with the clutch the clutch having friction surfaces with clutch members exclusively moving axially
    • F16D25/0632—Fluid-actuated clutches in which the fluid actuates a piston incorporated in, i.e. rotating with the clutch the clutch having friction surfaces with clutch members exclusively moving axially with conical friction surfaces, e.g. cone clutches
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H41/00—Rotary fluid gearing of the hydrokinetic type
    • F16H41/24—Details
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H45/00—Combinations of fluid gearings for conveying rotary motion with couplings or clutches
    • F16H45/02—Combinations of fluid gearings for conveying rotary motion with couplings or clutches with mechanical clutches for bridging a fluid gearing of the hydrokinetic type
    • F16H2045/0205—Combinations of fluid gearings for conveying rotary motion with couplings or clutches with mechanical clutches for bridging a fluid gearing of the hydrokinetic type two chamber system, i.e. without a separated, closed chamber specially adapted for actuating a lock-up clutch
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H45/00—Combinations of fluid gearings for conveying rotary motion with couplings or clutches
    • F16H45/02—Combinations of fluid gearings for conveying rotary motion with couplings or clutches with mechanical clutches for bridging a fluid gearing of the hydrokinetic type
    • F16H2045/021—Combinations of fluid gearings for conveying rotary motion with couplings or clutches with mechanical clutches for bridging a fluid gearing of the hydrokinetic type three chamber system, i.e. comprising a separated, closed chamber specially adapted for actuating a lock-up clutch
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H45/00—Combinations of fluid gearings for conveying rotary motion with couplings or clutches
    • F16H45/02—Combinations of fluid gearings for conveying rotary motion with couplings or clutches with mechanical clutches for bridging a fluid gearing of the hydrokinetic type
    • F16H2045/0215—Details of oil circulation
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H45/00—Combinations of fluid gearings for conveying rotary motion with couplings or clutches
    • F16H45/02—Combinations of fluid gearings for conveying rotary motion with couplings or clutches with mechanical clutches for bridging a fluid gearing of the hydrokinetic type
    • F16H2045/0221—Combinations of fluid gearings for conveying rotary motion with couplings or clutches with mechanical clutches for bridging a fluid gearing of the hydrokinetic type with damping means
    • F16H2045/0263—Combinations of fluid gearings for conveying rotary motion with couplings or clutches with mechanical clutches for bridging a fluid gearing of the hydrokinetic type with damping means the damper comprising a pendulum
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H45/00—Combinations of fluid gearings for conveying rotary motion with couplings or clutches
    • F16H45/02—Combinations of fluid gearings for conveying rotary motion with couplings or clutches with mechanical clutches for bridging a fluid gearing of the hydrokinetic type
    • F16H2045/0273—Combinations of fluid gearings for conveying rotary motion with couplings or clutches with mechanical clutches for bridging a fluid gearing of the hydrokinetic type characterised by the type of the friction surface of the lock-up clutch
    • F16H2045/0294—Single disk type lock-up clutch, i.e. using a single disc engaged between friction members

Definitions

  • the present disclosure relates to a torque converter having a turbine clutch with an axially displaceable piston, separate from the turbine shell, for opening and closing the turbine clutch.
  • the present disclosure also relates to a three or four-pass torque converter having a turbine clutch with an axially displaceable piston, separate from the turbine shell, as well as a cancellation chamber to reduce dynamic effects resulting from operation of the piston.
  • Known torque converters with a turbine clutch operate by axially displacing the turbine shell to open and close the turbine clutch and to transition between a torque converter mode (clutch open) and a lock-up mode (clutch closed). Displacing the turbine applies stress to the turbine blades and can reduce the durability of the turbine.
  • Known torque converters with a turbine clutch have been limited to three-pass (three fluid circuits) designs.
  • a torque converter including: a cover arranged to receive torque; an impeller including an impeller shell non-rotatably connected to the cover and at least one impeller blade connected to the impeller shell; a turbine including a turbine shell and at least one turbine blade connected to the turbine shell; an output hub connected to the turbine shell and arranged to non-rotatably connect to an input shaft for a transmission; and a turbine clutch including a piston non-rotatably connected to the turbine shell, and for a lock-up mode, axially displaceable to non-rotatably connect the piston and the impeller shell.
  • a torque converter including: a cover arranged to receive torque; an impeller including an impeller shell non-rotatably connected to the cover and at least one impeller blade connected to the impeller shell; a turbine including a turbine shell and at least one turbine blade connected to the turbine shell; an output hub connected to the turbine shell and arranged to non-rotatably connect to an input shaft for a transmission; a turbine clutch including a piston non-rotatably connected to the turbine shell and for a lock-up mode, axially displaceable to non-rotatably connect the piston and the impeller shell;
  • first chamber bounded in part by the piston and the turbine shell
  • second chamber bounded in part by the turbine shell and the impeller shell
  • the at least one turbine blade is located in the second chamber.
  • a torque converter including: a cover arranged to receive torque; an impeller including an impeller shell non-rotatably connected to the cover and at least one impeller blade connected to the impeller shell; a turbine including a turbine shell and at least one turbine blade connected to the turbine shell; an output hub connected to the turbine shell and arranged to non-rotatably connect to an input shaft for a transmission; a turbine clutch including a piston non-rotatably connected to the turbine shell and for a lock-up mode, axially displaceable to non-rotatably connect the piston and the impeller shell; a first plate sealed against the piston; a first chamber formed in part by the turbine shell and the impeller shell; a second chamber formed in part by the piston and the turbine shell; a third chamber formed in part by the cover and the first plate; and a fourth chamber formed in part by the first plate and the piston and sealed from the first, second, and third chambers.
  • FIG. 1 is a partial cross-sectional view of a torque converter with a turbine clutch having a piston separate from a turbine shell;
  • FIG. 2 is a partial cross-sectional view of the torque converter in FIG. 1 with a bushing between the piston and a turbine hub;
  • FIG. 3 is a partial cross-sectional view of the torque converter in FIG. 1 with a seal between the piston and the turbine shell;
  • FIG. 4 is a partial cross-sectional view of a four-pass torque converter with a turbine clutch having a piston separate from a turbine shell and a separate apply chamber for the piston;
  • FIG. 5 is a perspective view of a cylindrical coordinate system demonstrating spatial terminology used in the present application.
  • FIG. 5 is a perspective view of cylindrical coordinate system 10 demonstrating spatial terminology used in the present application.
  • System 10 includes axis of rotation, or longitudinal axis, 11 , used as the reference for the directional and spatial terms that follow.
  • Opposite axial directions AD 1 and AD 2 are parallel to axis 11 .
  • Radial direction RD 1 is orthogonal to axis 11 and away from axis 11 .
  • Radial direction RD 2 is orthogonal to axis 11 and toward axis 11 .
  • Opposite circumferential directions CD 1 and CD 2 are defined by an endpoint of a particular radius R (orthogonal to axis 11 ) rotated about axis 11 , for example clockwise and counterclockwise, respectively.
  • an axial surface such as surface 15 A of object 12
  • an axial surface is formed by a plane co-planar with axis 11 .
  • any planar surface parallel to axis 11 is an axial surface.
  • surface 15 B, parallel to axis 11 also is an axial surface.
  • An axial edge is formed by an edge, such as edge 15 C, parallel to axis 11 .
  • a radial surface, such as surface 16 A of object 13 is formed by a plane orthogonal to axis 11 and co-planar with a radius, for example, radius 17 A.
  • a radial edge is co-linear with a radius of axis 11 .
  • edge 16 B is co-linear with radius 17 B.
  • Surface 18 of object 14 forms a circumferential, or cylindrical, surface.
  • circumference 19 defined by radius 20 , passes through surface 18 .
  • Axial movement is in direction axial direction AD 1 or AD 2 .
  • Radial movement is in radial direction RD 1 or RD 2 .
  • Circumferential, or rotational, movement is in circumferential direction CD 1 or CD 2 .
  • the adverbs “axially,” “radially,” and “circumferentially” refer to movement or orientation parallel to axis 11 , orthogonal to axis 11 , and about axis 11 , respectively.
  • an axially disposed surface or edge extends in direction AD 1
  • a radially disposed surface or edge extends in direction RD 1
  • a circumferentially disposed surface or edge extends in direction CD 1 .
  • FIG. 1 is a partial cross-sectional view of torque converter 100 with a turbine clutch having a piston separate from a turbine shell.
  • Torque converter 100 includes: axis of rotation AR; cover 102 arranged to receive torque; impeller 104 ; turbine 106 ; output hub 108 ; and turbine clutch 110 .
  • Impeller 104 includes: impeller shell 112 non-rotatably connected to cover 102 ; and at least one impeller blade 114 connected to impeller shell 112 .
  • Turbine 106 includes: turbine shell 116 ; and at least one turbine blade 118 connected to turbine shell 116 .
  • Output hub 108 is connected to turbine shell 116 and is arranged to non-rotatably connect to input shaft IS for a transmission (not shown).
  • one component “engaged with” another component we mean that the one component is in direct contact with the other component or the components are in contact with a mechanically solid intermediary or ancillary part. For example, a washer or coating could be disposed between the two components.
  • Turbine clutch 110 includes piston 120 .
  • Piston 120 is non-rotatably connected to turbine shell 116 and for a lock-up mode, piston 120 is axially displaceable to non-rotatably connect piston 120 and impeller shell 112 .
  • piston 120 is displaceable in axial direction AD 1 to non-rotatably connect piston 120 and impeller shell 112 .
  • clutch 110 includes friction material 122 between piston 120 and shell 112 .
  • Torque converter 100 includes: chamber 124 formed or bounded, at least in part, by piston 120 and turbine shell 112 ; chamber, or torus, 126 formed or bounded, at least in part, by shells 112 and 116 ; and chamber 128 formed or bounded, at least in part, by cover 102 and piston 120 .
  • Blades 114 and 118 are located in chamber 126 .
  • Leaf spring 130 is located in chamber 124 ; is non-rotatably connected to turbine shell 116 and piston 120 ; enables axial displacement of piston 120 with respect to turbine shell 116 , and transmit torque from piston 120 to shell 116 .
  • shell 116 includes at least one through-bore 132 , wholly surrounded by material forming shell 116 and connecting chambers 124 and 126 .
  • spring 130 applies force F to urge piston 120 in direction AD 2 .
  • fluid pressure in chamber 128 is arranged to be greater than a combination of force F (when present) and fluid pressure in chamber 124 and 126 , urging piston 120 in direction AD 1 .
  • fluid pressure in chamber 124 is arranged to be greater than or equal to fluid pressure in chamber 128 .
  • respective fluid pressures in chambers 124 and 126 are substantially equal.
  • torque converter 100 includes turbine hub 134 arranged to seal against transmission input shaft IS, for example, bushing 136 is sealed against hub 134 and shaft IS.
  • Turbine shell 116 is non-rotatably connected to turbine hub 134
  • turbine hub 134 is connected output hub 108
  • piston 120 is in contact turbine hub 134 .
  • torque converter 100 includes plate 138 in contact with hub 108 and non-rotatably connected to hub 134 .
  • turbine hub 134 bounds respective portions of chambers 124 , 126 and 128 .
  • torque converter 100 includes torsional vibration damper 140 and centrifugal pendulum 142 .
  • Damper 140 includes: drive plate 144 non-rotatably connected to piston 120 ; cover plate 146 ; spring 148 engaged with plates 144 and 146 ; spring 150 engaged with plate 146 ; and output flange 152 engaged with spring 150 and non-rotatably connected to hub 108 .
  • Pendulum 142 includes: flange 154 non-rotatably connected to plate 146 and engaged with spring 150 ; and pendulum masses 156 displaceable with respect to flange 154 .
  • pressurized fluid PF 1 is supplied to chambers 124 and 126 via channel CH 3 formed by shaft IS and stator shaft SS and is circulated by blades 114 and 116 through stator 159 .
  • Pressurized fluid PF 2 is supplied to chamber 128 , via channel CH 2 in shaft IS, at a fluid pressure less than that of fluid PF 1 .
  • the pressure differential between PF 1 and PF 2 plus force F, displaces piston 120 in direction AD 2 , opening clutch 110 .
  • Torque received by cover 102 is transmitted to shell 112 , which rotates blades 114 .
  • Blades 114 circulate fluid PF 1 to rotate blades 118 and shell 116 .
  • Shell 116 transmits the torque received by the cover to hub 108 .
  • Pendulum 142 absorbs vibration transmitted to hub 108 .
  • fluid pressure for PF 2 is increased and fluid pressure for chambers 124 and 126 is reduced or kept the same.
  • the preceding fluid pressure differential overcomes force F to displace piston 120 in direction AD 1 to close clutch 110 .
  • Torque received by the cover is transmitted to drive plate 144 via shell 112 and piston 120 .
  • the torque on plate 144 is transmitted through damper 140 to flange 152 and hub 108 .
  • Pendulum 142 absorbs vibration transmitted to flange 152 .
  • reducing fluid pressure in chambers 124 , 126 , and 128 can include venting the chambers to atmosphere.
  • Shell 120 is connected to hub 108 via damper 140 . Therefore, limited rotation between shell 120 and hub 108 occurs due to the action of springs 148 and 150 .
  • Hub 134 is connected to hub 108 via damper 140 . Therefore, limited rotation between hub 134 and hub 108 occurs due to the action of springs 148 and 150 .
  • FIG. 2 is a partial cross-sectional view of torque converter 100 in FIG. 1 with a bushing between piston 120 and turbine hub 134 .
  • the discussion regarding torque converter 100 in FIG. 1 is applicable to torque converter 100 in FIG. 2 except as noted.
  • bushing 157 has been added to the configuration shown in FIG. 1 , in particular between piston 120 and turbine hub 134 .
  • Bushing 157 seals against piston 120 and hub 134 and seals chamber 124 from chamber 128 .
  • FIG. 3 is a partial cross-sectional view of torque converter 100 in FIG. 1 with a seal between the piston and the turbine shell.
  • the discussion regarding torque converter 100 in FIG. 2 is applicable to torque converter 100 in FIG. 3 except as noted.
  • seal 160 has been added to the configuration shown in FIG. 2 . Seal 160 is sealed against piston 120 and radially outermost portion 162 of turbine shell 116 .
  • FIG. 4 is a partial cross-sectional view of four-pass torque converter 200 with a turbine clutch having a piston separate from a turbine shell and a separate apply chamber for the piston.
  • the discussion for torque converter 100 in FIG. 3 is applicable to torque converter 200 in FIG. 4 except as noted.
  • plate 202 has been added; plate 204 replaces plate 138 in FIG. 3 ; bushing 206 has been added; and apply chamber 208 is formed or bounded, at least in part, by plate 202 and piston 120 .
  • Plate 204 includes at least through-bore 210 .
  • Chamber 208 is sealed from chambers 124 , 126 , and 128 with the exception of through-bore(s) 210 .
  • pressurized fluid PF 1 is supplied to chambers 124 and 126 via channel CH 3 and is circulated by blades 114 and 116 through stator 159 .
  • Pressurized fluid PF 3 is supplied to chamber 208 at a fluid pressure less than that of fluid PF 1 , via channel CH 4 in shaft IS, through-bore TB in shaft IS, and through-bore 210 .
  • the pressure differential between PF 1 and PF 3 plus force F, displaces piston 120 in direction AD 2 , opening clutch 110 .
  • Torque received by cover 102 is transmitted to shell 112 , which rotates blades 114 .
  • Blades 114 circulate fluid PF 1 to rotate blades 118 and shell 116 .
  • Shell 116 transmits the torque received by the cover to hub 108 .
  • Pendulum 142 absorbs vibration transmitted to hub 108 .
  • fluid pressure for PF 3 is increased and fluid pressure for chambers 124 and 126 is reduced or kept the same.
  • the preceding fluid pressure differential overcomes force F to displace piston 120 in direction AD 1 to close clutch 110 .
  • Torque received by the cover is transmitted to drive plate 144 via shell 112 and piston 120 .
  • the torque on plate 144 is transmitted through damper 140 to flange 152 and hub 108 .
  • Pendulum 142 absorbs vibration transmitted to flange 152 .
  • reducing fluid pressure in chambers 124 , 126 , 128 , and 208 can include venting the chambers to atmosphere.
  • torque converters 100 and 200 solve the problem noted above regarding the displacement of a turbine shell to open and close a turbine clutch and the resultant stress on turbine blades.
  • piston 120 is displaced in directions AD 1 and AD 2 to close and open clutch 110 , respectively, while an axial position of turbine shell 116 and turbine blades 118 is relatively fixed (some axial displacement of shell 116 can occur due to circulation of fluid PF 1 in torus 126 ). Eliminating the displacement of shell 116 to open and close clutch 110 eliminates the stress noted above.
  • the displacement of piston 120 in direction AD 1 to close clutch 110 causes displacement and compression of fluid in chambers 124 and 126 .
  • the displacement and compression result in dynamic effects that can interfere with desired operation of clutch 110 , reducing the controllability of clutch 110 .
  • chamber 124 in FIG. 3 acts as a cancellation chamber to help neutralize the dynamic forces noted above and improve controllability of clutch 110 .
  • the respective volumes of chambers 208 and 124 are relatively close (closer for example than the respective volumes of chambers 128 and 124 in torque converter 100 in FIG. 3 ), the dynamic effects associated with the closing of clutch 110 are even further diminished than is the case for torque converter 100 in FIG. 3 .

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Mechanical Operated Clutches (AREA)
  • Hydraulic Clutches, Magnetic Clutches, Fluid Clutches, And Fluid Joints (AREA)
US15/479,365 2017-04-05 2017-04-05 Torque converter with turbine clutch including a separate piston Active US10378632B2 (en)

Priority Applications (6)

Application Number Priority Date Filing Date Title
US15/479,365 US10378632B2 (en) 2017-04-05 2017-04-05 Torque converter with turbine clutch including a separate piston
KR1020197026653A KR102462666B1 (ko) 2017-04-05 2018-02-20 분리된 피스톤을 포함하는 터빈 클러치를 갖는 토크 컨버터
JP2019541448A JP6821042B2 (ja) 2017-04-05 2018-02-20 分離されたピストンを有するタービンクラッチを備えたトルクコンバータ
PCT/US2018/018816 WO2018186939A1 (en) 2017-04-05 2018-02-20 Torque converter with turbine clutch including a separate piston
DE112018001915.2T DE112018001915T5 (de) 2017-04-05 2018-02-20 Drehmomentwandler mit Turbinenkupplung, die einen getrennten Kolben enthält
CN201880022713.4A CN110520650B (zh) 2017-04-05 2018-02-20 具有包括单独活塞的涡轮离合器的变矩器

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US15/479,365 US10378632B2 (en) 2017-04-05 2017-04-05 Torque converter with turbine clutch including a separate piston

Publications (2)

Publication Number Publication Date
US20180291990A1 US20180291990A1 (en) 2018-10-11
US10378632B2 true US10378632B2 (en) 2019-08-13

Family

ID=63710768

Family Applications (1)

Application Number Title Priority Date Filing Date
US15/479,365 Active US10378632B2 (en) 2017-04-05 2017-04-05 Torque converter with turbine clutch including a separate piston

Country Status (6)

Country Link
US (1) US10378632B2 (ja)
JP (1) JP6821042B2 (ja)
KR (1) KR102462666B1 (ja)
CN (1) CN110520650B (ja)
DE (1) DE112018001915T5 (ja)
WO (1) WO2018186939A1 (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20200088282A1 (en) * 2018-09-19 2020-03-19 GM Global Technology Operations LLC Torque converter assembly and single face torque converter clutch

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10281019B2 (en) * 2013-12-02 2019-05-07 Schaeffler Technologies AG & Co. KG Device for transmitting torque
US11009098B2 (en) * 2019-07-17 2021-05-18 Valeo Kapec Co., Ltd. Blade and spring damper apparatus for use with vehicle torque converters

Citations (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004036634A (ja) 2002-06-28 2004-02-05 Honda Motor Co Ltd ロックアップクラッチ付き流体伝動装置
US20070074943A1 (en) 2005-09-02 2007-04-05 Luk Lamellen Und Kupplungsbau Beteiligungs Kg Clutch arrangements for a torque converter, torque converter for a dual-input gearbox, and methods thereof
US20090014269A1 (en) 2007-07-11 2009-01-15 Luk Lamellen Und Kupplungsbau Beteiligungs Kg Two pass multi-function torque converter
US20140097055A1 (en) 2012-10-04 2014-04-10 Schaeffler Technologies AG & Co. KG Turbine piston thrust path
US20150021137A1 (en) 2013-07-19 2015-01-22 Schaeffler Technologies Gmbh & Co. Kg Two pass multi-function torque converter
US20150068857A1 (en) * 2013-09-11 2015-03-12 Schaeffler Technologies Gmbh & Co., Kg Bearing-less torque converter
US20150337935A1 (en) 2011-06-07 2015-11-26 Exedy Corporation Lock-up device for torque converter
US20160017971A1 (en) 2014-07-16 2016-01-21 Schaeffler Technologies AG & Co. KG Torque converter clutch with reduced back pressure
US20160116038A1 (en) * 2014-10-23 2016-04-28 Valeo Embrayages Hydrokinetic torque coupling device having turbine-piston lock-up clutch, and related methods
US20160123402A1 (en) * 2014-10-31 2016-05-05 Schaeffler Technologies AG & Co. KG Spring retainer including rivets for driving springs in a torque converter damper
US20160160978A1 (en) * 2014-12-05 2016-06-09 Valeo Embrayages Torque converter and hydrokinetic torque coupling device having turbine-piston lockup clutch, and related methods
US20160160971A1 (en) * 2014-12-05 2016-06-09 Valeo Embrayages Torque converter and hydrokinetic torque coupling device having turbine-piston lockup clutch, and related methods
US20180051785A1 (en) * 2015-03-25 2018-02-22 Schaeffler Technologies AG & Co. KG Torque transmission device

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3944104B2 (ja) * 2003-03-17 2007-07-11 本田技研工業株式会社 ロックアップクラッチ付き流体伝動装置
JP2011089577A (ja) * 2009-10-21 2011-05-06 Exedy Corp トルクコンバータ
JP5261566B2 (ja) * 2011-12-14 2013-08-14 株式会社エクセディ トルクコンバータ
DE102013202661B4 (de) * 2012-03-01 2023-12-21 Schaeffler Technologies AG & Co. KG Drehmomentwandler mit einem Turbinenkolben
US9353844B2 (en) 2013-08-22 2016-05-31 Schaeffler Technologies AG & Co. KG Two-pass multi-function torque converter with normally closed impeller clutch

Patent Citations (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004036634A (ja) 2002-06-28 2004-02-05 Honda Motor Co Ltd ロックアップクラッチ付き流体伝動装置
US20070074943A1 (en) 2005-09-02 2007-04-05 Luk Lamellen Und Kupplungsbau Beteiligungs Kg Clutch arrangements for a torque converter, torque converter for a dual-input gearbox, and methods thereof
US20090014269A1 (en) 2007-07-11 2009-01-15 Luk Lamellen Und Kupplungsbau Beteiligungs Kg Two pass multi-function torque converter
US20150337935A1 (en) 2011-06-07 2015-11-26 Exedy Corporation Lock-up device for torque converter
US20140097055A1 (en) 2012-10-04 2014-04-10 Schaeffler Technologies AG & Co. KG Turbine piston thrust path
US20150021137A1 (en) 2013-07-19 2015-01-22 Schaeffler Technologies Gmbh & Co. Kg Two pass multi-function torque converter
US9394981B2 (en) 2013-07-19 2016-07-19 Schaeffler Technologies AG & Co. KG Two pass multi-function torque converter
US20150068857A1 (en) * 2013-09-11 2015-03-12 Schaeffler Technologies Gmbh & Co., Kg Bearing-less torque converter
US20160017971A1 (en) 2014-07-16 2016-01-21 Schaeffler Technologies AG & Co. KG Torque converter clutch with reduced back pressure
US20160116038A1 (en) * 2014-10-23 2016-04-28 Valeo Embrayages Hydrokinetic torque coupling device having turbine-piston lock-up clutch, and related methods
US20160123402A1 (en) * 2014-10-31 2016-05-05 Schaeffler Technologies AG & Co. KG Spring retainer including rivets for driving springs in a torque converter damper
US20160160978A1 (en) * 2014-12-05 2016-06-09 Valeo Embrayages Torque converter and hydrokinetic torque coupling device having turbine-piston lockup clutch, and related methods
US20160160971A1 (en) * 2014-12-05 2016-06-09 Valeo Embrayages Torque converter and hydrokinetic torque coupling device having turbine-piston lockup clutch, and related methods
US20180051785A1 (en) * 2015-03-25 2018-02-22 Schaeffler Technologies AG & Co. KG Torque transmission device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20200088282A1 (en) * 2018-09-19 2020-03-19 GM Global Technology Operations LLC Torque converter assembly and single face torque converter clutch
US10808819B2 (en) * 2018-09-19 2020-10-20 GM Global Technology Operations LLC Torque converter assembly and single face torque converter clutch

Also Published As

Publication number Publication date
KR102462666B1 (ko) 2022-11-04
CN110520650A (zh) 2019-11-29
DE112018001915T5 (de) 2019-12-19
JP2020506345A (ja) 2020-02-27
CN110520650B (zh) 2022-10-25
WO2018186939A1 (en) 2018-10-11
KR20190128166A (ko) 2019-11-15
JP6821042B2 (ja) 2021-01-27
US20180291990A1 (en) 2018-10-11

Similar Documents

Publication Publication Date Title
CN108443451B (zh) 多功能扭矩变换器
US9303700B2 (en) Turbine piston thrust path
US9677654B2 (en) Torque converter with a selective pressure activated seal system
US10451158B2 (en) Torque converter configured for cross-flow to pressure chambers
US9140346B2 (en) One-way turbine wedge clutch
US8844691B2 (en) Three-pass torque converters
JP2017535726A (ja) 単一のダンパを備えたハイブリッド駆動モジュール
US9702446B2 (en) Torque converter with parallel torsional vibration dampers
US10378632B2 (en) Torque converter with turbine clutch including a separate piston
US10723216B2 (en) Shaft flow coupler for hybrid assembly
US10337595B2 (en) Extruded protrusion laser welded seal plate
US20180051785A1 (en) Torque transmission device
US20060096823A1 (en) Damper disc assembly
JP2016530469A (ja) 多機能トルクコンバータにおいてクラッチを制御する方法
WO2016117214A1 (ja) 自動車用の動吸振装置
US11306804B1 (en) Torque converter with cross-flow pressure chambers
US9482342B2 (en) Radially deflectable piston bushings
US20230151873A1 (en) Vibration damper with intermediate flange travel stop and torque converter with vibration damper having intermediate flange travel stop
KR101649355B1 (ko) 차량용 토크 컨버터
JP2016090045A (ja) トルクコンバータのロックアップ装置
JP5951081B2 (ja) トルクコンバータのロックアップ装置

Legal Events

Date Code Title Description
AS Assignment

Owner name: SCHAEFFLER TECHNOLOGIES AG & CO. KG, GERMANY

Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:HESS, TIMOTHY;REEL/FRAME:041854/0081

Effective date: 20170330

STPP Information on status: patent application and granting procedure in general

Free format text: NOTICE OF ALLOWANCE MAILED -- APPLICATION RECEIVED IN OFFICE OF PUBLICATIONS

STPP Information on status: patent application and granting procedure in general

Free format text: PUBLICATIONS -- ISSUE FEE PAYMENT RECEIVED

STPP Information on status: patent application and granting procedure in general

Free format text: PUBLICATIONS -- ISSUE FEE PAYMENT VERIFIED

STCF Information on status: patent grant

Free format text: PATENTED CASE

MAFP Maintenance fee payment

Free format text: PAYMENT OF MAINTENANCE FEE, 4TH YEAR, LARGE ENTITY (ORIGINAL EVENT CODE: M1551); ENTITY STATUS OF PATENT OWNER: LARGE ENTITY

Year of fee payment: 4